import type { AxiosRequestConfig, AxiosInstance, AxiosResponse, AxiosError } from 'axios';
import type { RequestOptions, Result, UploadFileParams, UploadFileCallBack } from '/#/axios';
import type { CreateAxiosOptions } from './axiosTransform';
import axios from 'axios';
import qs from 'qs';
import { AxiosCanceler } from './axiosCancel';
import { isFunction } from '/@/utils/is';
import { cloneDeep } from 'lodash-es';
import { ContentTypeEnum } from '/@/enums/httpEnum';
import { RequestEnum, ConfigEnum} from '/@/enums/httpEnum';
import { useGlobSetting } from '/@/hooks/setting';
import { useMessage } from "/@/hooks/web/useMessage";

const { createMessage } = useMessage();
const globSetting = useGlobSetting();
export * from './axiosTransform';

/**
 * @description:  axios module
 */
export class VAxios {
	private axiosInstance: AxiosInstance;
	private readonly options: CreateAxiosOptions;

	constructor(options: CreateAxiosOptions) {
		this.options = options;
		this.axiosInstance = axios.create(options);
		this.setupInterceptors();
	}

	/**
	 * @description:  Create axios instance
	 */
	private createAxios(config: CreateAxiosOptions): void {
		this.axiosInstance = axios.create(config);
	}

	private getTransform() {
		const { transform } = this.options;
		return transform;
	}

	getAxios(): AxiosInstance {
		return this.axiosInstance;
	}

	/**
	 * @description: Reconfigure axios
	 */
	configAxios(config: CreateAxiosOptions) {
		if (!this.axiosInstance) {
			return;
		}
		this.createAxios(config);
	}

	/**
	 * @description: Set general header
	 */
	setHeader(headers: any): void {
		if (!this.axiosInstance) {
			return;
		}
		Object.assign(this.axiosInstance.defaults.headers, headers);
	}

	/**
	 * @description: Interceptor configuration
	 */
	private setupInterceptors() {
		const transform = this.getTransform();
		if (!transform) {
			return;
		}
		const {
			requestInterceptors,
			requestInterceptorsCatch,
			responseInterceptors,
			responseInterceptorsCatch,
		} = transform;

		const axiosCanceler = new AxiosCanceler();

		// 请求侦听器配置处理
		this.axiosInstance.interceptors.request.use((config: AxiosRequestConfig) => {
			// If cancel repeat request is turned on, then cancel repeat request is prohibited
			// @ts-ignore
			const { ignoreCancelToken } = config.requestOptions;

			const ignoreCancel = ignoreCancelToken !== undefined ? ignoreCancelToken : this.options.requestOptions?.ignoreCancelToken;

			!ignoreCancel && axiosCanceler.addPending(config);
			if (requestInterceptors && isFunction(requestInterceptors)) {
				config = requestInterceptors(config, this.options);
			}
			return config;
		}, undefined);

		// 请求拦截器错误捕获
		requestInterceptorsCatch &&
			isFunction(requestInterceptorsCatch) &&
			this.axiosInstance.interceptors.request.use(undefined, requestInterceptorsCatch);

		// 响应结果拦截器处理
		this.axiosInstance.interceptors.response.use((res: AxiosResponse<any>) => {
			res && axiosCanceler.removePending(res.config);
			if (responseInterceptors && isFunction(responseInterceptors)) {
				res = responseInterceptors(res);
			}
			return res;
		}, undefined);
		// 响应结果拦截器错误捕获
		responseInterceptorsCatch &&
			isFunction(responseInterceptorsCatch) &&
			this.axiosInstance.interceptors.response.use(undefined, responseInterceptorsCatch);
	}

	/**
	 * 下载文件
	 */
	downloadFile<T = any>(config: AxiosRequestConfig) {
		return this.axiosInstance.request<T>({
			...config,
			method: 'GET',
			responseType: 'blob',
			headers: {
				ignoreCancelToken: true,
			},
		})
	}

	/**
	 * 文件上传
	 */
	uploadFile<T = any>(config: AxiosRequestConfig, params: UploadFileParams, callback?: UploadFileCallBack) {
		const formData = new window.FormData();
		const customFilename = params.name || 'file';

		if (params.filename) {
			formData.append(customFilename, params.file, params.filename);
		} else {
			formData.append(customFilename, params.file);
		}
		const glob = useGlobSetting();
		config.url = glob.apiUrl + config.url
		if (params.data) {
			Object.keys(params.data).forEach((key) => {
				const value = params.data![key];
				if (Array.isArray(value)) {
					value.forEach((item) => {
						formData.append(`${key}[]`, item);
					});
					return;
				}

				formData.append(key, params.data[key]);
			});
		}
		
		return this.axiosInstance.request<T>({
			...config,
			method: 'POST',
			data: formData,
			headers: {
				'Content-type': ContentTypeEnum.FORM_DATA,
				ignoreCancelToken: true,
			},
		}).then((res: any) => {
			if (callback?.success && isFunction(callback?.success)) {
				callback?.success(res?.data)
			} else if (callback?.isReturnResponse) {
				return Promise.resolve(res?.data)
			} else {
				if (res.data.success == true && res.data.code == 1) {
					createMessage.success(res.data.message)
				} else {
					createMessage.error(res.data.message);
				}
			}
		});
	}

	// 支持表单数据
	supportFormData(config: AxiosRequestConfig) {
		const headers = config.headers || this.options.headers;
		const contentType = headers?.['Content-Type'] || headers?.['content-type'];

		if (
			contentType !== ContentTypeEnum.FORM_URLENCODED ||
			!Reflect.has(config, 'data') ||
			config.method?.toUpperCase() === RequestEnum.GET
		) {
			return config;
		}

		return {
			...config,
			data: qs.stringify(config.data, { arrayFormat: 'brackets' }),
		};
	}

	get<T = any>(config: AxiosRequestConfig, options?: RequestOptions): Promise<T> {
		return this.request({ ...config, method: 'GET' }, options);
	}

	post<T = any>(config: AxiosRequestConfig, options?: RequestOptions): Promise<T> {
		return this.request({ ...config, method: 'POST' }, options);
	}

	put<T = any>(config: AxiosRequestConfig, options?: RequestOptions): Promise<T> {
		return this.request({ ...config, method: 'PUT' }, options);
	}

	delete<T = any>(config: AxiosRequestConfig, options?: RequestOptions): Promise<T> {
		return this.request({ ...config, method: 'DELETE' }, options);
	}

	request<T = any>(config: AxiosRequestConfig, options?: RequestOptions): Promise<T> {
		let conf: CreateAxiosOptions = cloneDeep(config);
		const transform = this.getTransform();

		const { requestOptions } = this.options;

		const opt: RequestOptions = Object.assign({}, requestOptions, options);

		const { beforeRequestHook, requestCatchHook, transformRequestHook } = transform || {};
		if (beforeRequestHook && isFunction(beforeRequestHook)) {
			conf = beforeRequestHook(conf, opt);
		}
		conf.requestOptions = opt;

		conf = this.supportFormData(conf);

		return new Promise((resolve, reject) => {
			this.axiosInstance
				.request<any, AxiosResponse<Result>>(conf)
				.then((res: AxiosResponse<Result>) => {
					if (transformRequestHook && isFunction(transformRequestHook)) {
						try {
							const ret = transformRequestHook(res, opt);
							config.success && config.success(res.data);
							resolve(ret);
						} catch (err) {
							console.log("errorMessage: " + res.data.message + ", traceId: " + res.data.traceId);

							reject(err || new Error('request error!'));
						}
						return;
					}
					resolve(res as unknown as Promise<T>);
				})
				.catch((e: Error | AxiosError) => {
					if (requestCatchHook && isFunction(requestCatchHook)) {
						reject(requestCatchHook(e, opt));
						return;
					}
					if (axios.isAxiosError(e)) {
						// 在此处重写来自axios的错误消息
					}
					reject(e);
				});
		});
	}
}
